汽车制动器的使用期限，常受其零部件磨损所限，本文从设计制造和使用维修二方面阐述了如何延长其使用寿命。汽车制动性能是衡量汽车安全可靠的重要指标，而制动器使用寿命的长短直接影响制动效能，如制动不灵或制动距离过长，都容易引起交通事故，危害人们的生命和财产安全； The service life of the automobile brake is often limited by the wear and tear of the parts. This article elaborates how to prolong the service life of the automobile brake from two aspects of design, manufacture and service. Vehicle braking performance is an important indicator of vehicle safety and reliability, and the length of the brake directly affect the braking performance, such as braking or braking distance is too long, are likely to cause traffic accidents, endangering people’s lives and property safety ;